package com.xuecheng.system.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * 跨域过滤器
 */
@Configuration
public class GlobalCorsConfig {

    @Bean
    public CorsFilter corsFilter(){
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        // 允许白名单域名进行跨域访问
        corsConfiguration.addAllowedOrigin("*");
        // 允许跨域发送cookie
        // corsConfiguration.setAllowCredentials(true);
        // 放行全部原始头信息
        // corsConfiguration.addAllowedHeader("*");
        // 允许所有请求方法跨域调用
        // corsConfiguration.addAllowedMethod("*");

        UrlBasedCorsConfigurationSource urlBasedCorsConfigurationSource = new UrlBasedCorsConfigurationSource();
        urlBasedCorsConfigurationSource.registerCorsConfiguration("/**", corsConfiguration);

        return new CorsFilter(urlBasedCorsConfigurationSource);
    }
}
